318439940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 849518208

約数和(自身を除く): 531078268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 169, 172, 182, 215, 260, 301, 313, 338, 364, 430, 455, 559, 602, 626, 676, 845, 860, 910, 1118, 1183, 1204, 1252, 1505, 1565, 1690, 1820, 2191, 2236, 2366, 2795, 3010, 3130, 3380, 3913, 4069, 4382, 4732, 5590, 5915, 6020, 6260, 7267, 7826, 8138, 8764, 10955, 11180, 11830, 13459, 14534, 15652, 16276, 19565, 20345, 21910, 23660, 26918, 28483, 29068, 36335, 39130, 40690, 43820, 50869, 52897, 53836, 56966, 67295, 72670, 78260, 81380, 94213, 101738, 105794, 113932, 134590, 142415, 145340, 174967, 188426, 203476, 211588, 254345, 264485, 269180, 284830, 349934, 370279, 376852, 471065, 508690, 528970, 569660, 699868, 740558, 874835, 942130, 1017380, 1057940, 1224769, 1481116, 1749670, 1851395, 1884260, 2274571, 2449538, 3499340, 3702790, 4549142, 4899076, 6123845, 7405580, 9098284, 11372855, 12247690, 15921997, 22745710, 24495380, 31843994, 45491420, 63687988, 79609985, 159219970, 318439940]

約数ペア:

[(1, 318439940), (2, 159219970), (4, 79609985), (5, 63687988), (7, 45491420), (10, 31843994), (13, 24495380), (14, 22745710), (20, 15921997), (26, 12247690), (28, 11372855), (35, 9098284), (43, 7405580), (52, 6123845), (65, 4899076), (70, 4549142), (86, 3702790), (91, 3499340), (130, 2449538), (140, 2274571), (169, 1884260), (172, 1851395), (182, 1749670), (215, 1481116), (260, 1224769), (301, 1057940), (313, 1017380), (338, 942130), (364, 874835), (430, 740558), (455, 699868), (559, 569660), (602, 528970), (626, 508690), (676, 471065), (845, 376852), (860, 370279), (910, 349934), (1118, 284830), (1183, 269180), (1204, 264485), (1252, 254345), (1505, 211588), (1565, 203476), (1690, 188426), (1820, 174967), (2191, 145340), (2236, 142415), (2366, 134590), (2795, 113932), (3010, 105794), (3130, 101738), (3380, 94213), (3913, 81380), (4069, 78260), (4382, 72670), (4732, 67295), (5590, 56966), (5915, 53836), (6020, 52897), (6260, 50869), (7267, 43820), (7826, 40690), (8138, 39130), (8764, 36335), (10955, 29068), (11180, 28483), (11830, 26918), (13459, 23660), (14534, 21910), (15652, 20345), (16276, 19565)]