2000202820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:578

約数の個数: 192

約数和(自身を含む): 5515776000

約数和(自身を除く): 3515573180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 149, 154, 161, 220, 230, 253, 298, 308, 322, 379, 385, 460, 506, 596, 644, 745, 758, 770, 805, 1012, 1043, 1265, 1490, 1516, 1540, 1610, 1639, 1771, 1895, 2086, 2530, 2653, 2980, 3220, 3278, 3427, 3542, 3790, 4169, 4172, 5060, 5215, 5306, 6556, 6854, 7084, 7580, 8195, 8338, 8717, 8855, 10430, 10612, 11473, 13265, 13708, 16390, 16676, 17135, 17434, 17710, 20845, 20860, 22946, 23989, 26530, 29183, 32780, 34270, 34868, 35420, 37697, 41690, 43585, 45892, 47978, 53060, 56471, 57365, 58366, 61019, 68540, 75394, 83380, 87170, 95887, 95956, 112942, 114730, 116732, 119945, 122038, 145915, 150788, 174340, 188485, 191774, 225884, 229460, 239890, 244076, 263879, 282355, 291830, 305095, 376970, 383548, 395297, 479435, 479780, 527758, 564710, 583660, 610190, 621181, 671209, 753940, 790594, 958870, 1055516, 1129420, 1220380, 1242362, 1298833, 1319395, 1342418, 1581188, 1917740, 1976485, 2484724, 2597666, 2638790, 2684836, 3105905, 3356045, 3952970, 4348267, 5195332, 5277580, 6211810, 6494165, 6712090, 7905940, 8696534, 9091831, 12423620, 12988330, 13424180, 14287163, 17393068, 18183662, 21741335, 25976660, 28574326, 36367324, 43482670, 45459155, 57148652, 71435815, 86965340, 90918310, 100010141, 142871630, 181836620, 200020282, 285743260, 400040564, 500050705, 1000101410, 2000202820]

約数ペア:

[(1, 2000202820), (2, 1000101410), (4, 500050705), (5, 400040564), (7, 285743260), (10, 200020282), (11, 181836620), (14, 142871630), (20, 100010141), (22, 90918310), (23, 86965340), (28, 71435815), (35, 57148652), (44, 45459155), (46, 43482670), (55, 36367324), (70, 28574326), (77, 25976660), (92, 21741335), (110, 18183662), (115, 17393068), (140, 14287163), (149, 13424180), (154, 12988330), (161, 12423620), (220, 9091831), (230, 8696534), (253, 7905940), (298, 6712090), (308, 6494165), (322, 6211810), (379, 5277580), (385, 5195332), (460, 4348267), (506, 3952970), (596, 3356045), (644, 3105905), (745, 2684836), (758, 2638790), (770, 2597666), (805, 2484724), (1012, 1976485), (1043, 1917740), (1265, 1581188), (1490, 1342418), (1516, 1319395), (1540, 1298833), (1610, 1242362), (1639, 1220380), (1771, 1129420), (1895, 1055516), (2086, 958870), (2530, 790594), (2653, 753940), (2980, 671209), (3220, 621181), (3278, 610190), (3427, 583660), (3542, 564710), (3790, 527758), (4169, 479780), (4172, 479435), (5060, 395297), (5215, 383548), (5306, 376970), (6556, 305095), (6854, 291830), (7084, 282355), (7580, 263879), (8195, 244076), (8338, 239890), (8717, 229460), (8855, 225884), (10430, 191774), (10612, 188485), (11473, 174340), (13265, 150788), (13708, 145915), (16390, 122038), (16676, 119945), (17135, 116732), (17434, 114730), (17710, 112942), (20845, 95956), (20860, 95887), (22946, 87170), (23989, 83380), (26530, 75394), (29183, 68540), (32780, 61019), (34270, 58366), (34868, 57365), (35420, 56471), (37697, 53060), (41690, 47978), (43585, 45892)]