219646460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 567090720

約数和(自身を除く): 347444260

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 121, 170, 187, 190, 209, 220, 242, 281, 323, 340, 374, 380, 418, 484, 562, 605, 646, 748, 836, 935, 1045, 1124, 1210, 1292, 1405, 1615, 1870, 2057, 2090, 2299, 2420, 2810, 3091, 3230, 3553, 3740, 4114, 4180, 4598, 4777, 5339, 5620, 6182, 6460, 7106, 8228, 9196, 9554, 10285, 10678, 11495, 12364, 14212, 15455, 17765, 19108, 20570, 21356, 22990, 23885, 26695, 30910, 34001, 35530, 39083, 41140, 45980, 47770, 52547, 53390, 58729, 61820, 68002, 71060, 78166, 90763, 95540, 105094, 106780, 117458, 136004, 156332, 170005, 181526, 195415, 210188, 234916, 262735, 293645, 340010, 363052, 390830, 453815, 525470, 578017, 587290, 646019, 680020, 781660, 907630, 998393, 1050940, 1156034, 1174580, 1292038, 1815260, 1996786, 2312068, 2584076, 2890085, 3230095, 3993572, 4991965, 5780170, 6460190, 9983930, 10982323, 11560340, 12920380, 19967860, 21964646, 43929292, 54911615, 109823230, 219646460]

約数ペア:

[(1, 219646460), (2, 109823230), (4, 54911615), (5, 43929292), (10, 21964646), (11, 19967860), (17, 12920380), (19, 11560340), (20, 10982323), (22, 9983930), (34, 6460190), (38, 5780170), (44, 4991965), (55, 3993572), (68, 3230095), (76, 2890085), (85, 2584076), (95, 2312068), (110, 1996786), (121, 1815260), (170, 1292038), (187, 1174580), (190, 1156034), (209, 1050940), (220, 998393), (242, 907630), (281, 781660), (323, 680020), (340, 646019), (374, 587290), (380, 578017), (418, 525470), (484, 453815), (562, 390830), (605, 363052), (646, 340010), (748, 293645), (836, 262735), (935, 234916), (1045, 210188), (1124, 195415), (1210, 181526), (1292, 170005), (1405, 156332), (1615, 136004), (1870, 117458), (2057, 106780), (2090, 105094), (2299, 95540), (2420, 90763), (2810, 78166), (3091, 71060), (3230, 68002), (3553, 61820), (3740, 58729), (4114, 53390), (4180, 52547), (4598, 47770), (4777, 45980), (5339, 41140), (5620, 39083), (6182, 35530), (6460, 34001), (7106, 30910), (8228, 26695), (9196, 23885), (9554, 22990), (10285, 21356), (10678, 20570), (11495, 19108), (12364, 17765), (14212, 15455)]