415705940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 1025152128

約数和(自身を除く): 609446188

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 103, 130, 172, 190, 206, 215, 247, 260, 361, 380, 412, 430, 494, 515, 559, 722, 817, 860, 988, 1030, 1118, 1235, 1339, 1444, 1634, 1805, 1957, 2060, 2236, 2470, 2678, 2795, 3268, 3610, 3914, 4085, 4429, 4693, 4940, 5356, 5590, 6695, 7220, 7828, 8170, 8858, 9386, 9785, 10621, 11180, 13390, 15523, 16340, 17716, 18772, 19570, 21242, 22145, 23465, 25441, 26780, 31046, 37183, 39140, 42484, 44290, 46930, 50882, 53105, 57577, 62092, 74366, 77615, 84151, 88580, 93860, 101764, 106210, 115154, 127205, 148732, 155230, 168302, 185915, 201799, 212420, 230308, 254410, 287885, 310460, 336604, 371830, 403598, 420755, 483379, 508820, 575770, 743660, 807196, 841510, 966758, 1008995, 1093963, 1151540, 1598869, 1683020, 1933516, 2017990, 2187926, 2416895, 3197738, 4035980, 4375852, 4833790, 5469815, 6395476, 7994345, 9667580, 10939630, 15988690, 20785297, 21879260, 31977380, 41570594, 83141188, 103926485, 207852970, 415705940]

約数ペア:

[(1, 415705940), (2, 207852970), (4, 103926485), (5, 83141188), (10, 41570594), (13, 31977380), (19, 21879260), (20, 20785297), (26, 15988690), (38, 10939630), (43, 9667580), (52, 7994345), (65, 6395476), (76, 5469815), (86, 4833790), (95, 4375852), (103, 4035980), (130, 3197738), (172, 2416895), (190, 2187926), (206, 2017990), (215, 1933516), (247, 1683020), (260, 1598869), (361, 1151540), (380, 1093963), (412, 1008995), (430, 966758), (494, 841510), (515, 807196), (559, 743660), (722, 575770), (817, 508820), (860, 483379), (988, 420755), (1030, 403598), (1118, 371830), (1235, 336604), (1339, 310460), (1444, 287885), (1634, 254410), (1805, 230308), (1957, 212420), (2060, 201799), (2236, 185915), (2470, 168302), (2678, 155230), (2795, 148732), (3268, 127205), (3610, 115154), (3914, 106210), (4085, 101764), (4429, 93860), (4693, 88580), (4940, 84151), (5356, 77615), (5590, 74366), (6695, 62092), (7220, 57577), (7828, 53105), (8170, 50882), (8858, 46930), (9386, 44290), (9785, 42484), (10621, 39140), (11180, 37183), (13390, 31046), (15523, 26780), (16340, 25441), (17716, 23465), (18772, 22145), (19570, 21242)]