343876520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 872756640

約数和(自身を除く): 528880120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 61, 65, 74, 104, 122, 130, 148, 185, 244, 260, 293, 296, 305, 370, 481, 488, 520, 586, 610, 740, 793, 962, 1172, 1220, 1465, 1480, 1586, 1924, 2257, 2344, 2405, 2440, 2930, 3172, 3809, 3848, 3965, 4514, 4810, 5860, 6344, 7618, 7930, 9028, 9620, 10841, 11285, 11720, 15236, 15860, 17873, 18056, 19045, 19240, 21682, 22570, 29341, 30472, 31720, 35746, 38090, 43364, 45140, 54205, 58682, 71492, 76180, 86728, 89365, 90280, 108410, 117364, 140933, 142984, 146705, 152360, 178730, 216820, 232349, 234728, 281866, 293410, 357460, 433640, 464698, 563732, 586820, 661301, 704665, 714920, 929396, 1127464, 1161745, 1173640, 1322602, 1409330, 1858792, 2323490, 2645204, 2818660, 3306505, 4646980, 5290408, 5637320, 6613010, 8596913, 9293960, 13226020, 17193826, 26452040, 34387652, 42984565, 68775304, 85969130, 171938260, 343876520]

約数ペア:

[(1, 343876520), (2, 171938260), (4, 85969130), (5, 68775304), (8, 42984565), (10, 34387652), (13, 26452040), (20, 17193826), (26, 13226020), (37, 9293960), (40, 8596913), (52, 6613010), (61, 5637320), (65, 5290408), (74, 4646980), (104, 3306505), (122, 2818660), (130, 2645204), (148, 2323490), (185, 1858792), (244, 1409330), (260, 1322602), (293, 1173640), (296, 1161745), (305, 1127464), (370, 929396), (481, 714920), (488, 704665), (520, 661301), (586, 586820), (610, 563732), (740, 464698), (793, 433640), (962, 357460), (1172, 293410), (1220, 281866), (1465, 234728), (1480, 232349), (1586, 216820), (1924, 178730), (2257, 152360), (2344, 146705), (2405, 142984), (2440, 140933), (2930, 117364), (3172, 108410), (3809, 90280), (3848, 89365), (3965, 86728), (4514, 76180), (4810, 71492), (5860, 58682), (6344, 54205), (7618, 45140), (7930, 43364), (9028, 38090), (9620, 35746), (10841, 31720), (11285, 30472), (11720, 29341), (15236, 22570), (15860, 21682), (17873, 19240), (18056, 19045)]