668399250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 1752192000

約数和(自身を除く): 1083792750

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 79, 87, 125, 145, 150, 158, 174, 237, 250, 290, 375, 389, 395, 435, 474, 725, 750, 778, 790, 870, 1167, 1185, 1450, 1945, 1975, 2175, 2291, 2334, 2370, 3625, 3890, 3950, 4350, 4582, 5835, 5925, 6873, 7250, 9725, 9875, 10875, 11281, 11455, 11670, 11850, 13746, 19450, 19750, 21750, 22562, 22910, 29175, 29625, 30731, 33843, 34365, 48625, 56405, 57275, 58350, 59250, 61462, 67686, 68730, 92193, 97250, 112810, 114550, 145875, 153655, 169215, 171825, 184386, 282025, 286375, 291750, 307310, 338430, 343650, 460965, 564050, 572750, 768275, 846075, 859125, 891199, 921930, 1410125, 1536550, 1692150, 1718250, 1782398, 2304825, 2673597, 2820250, 3841375, 4230375, 4455995, 4609650, 5347194, 7682750, 8460750, 8911990, 11524125, 13367985, 22279975, 23048250, 26735970, 44559950, 66839925, 111399875, 133679850, 222799750, 334199625, 668399250]

約数ペア:

[(1, 668399250), (2, 334199625), (3, 222799750), (5, 133679850), (6, 111399875), (10, 66839925), (15, 44559950), (25, 26735970), (29, 23048250), (30, 22279975), (50, 13367985), (58, 11524125), (75, 8911990), (79, 8460750), (87, 7682750), (125, 5347194), (145, 4609650), (150, 4455995), (158, 4230375), (174, 3841375), (237, 2820250), (250, 2673597), (290, 2304825), (375, 1782398), (389, 1718250), (395, 1692150), (435, 1536550), (474, 1410125), (725, 921930), (750, 891199), (778, 859125), (790, 846075), (870, 768275), (1167, 572750), (1185, 564050), (1450, 460965), (1945, 343650), (1975, 338430), (2175, 307310), (2291, 291750), (2334, 286375), (2370, 282025), (3625, 184386), (3890, 171825), (3950, 169215), (4350, 153655), (4582, 145875), (5835, 114550), (5925, 112810), (6873, 97250), (7250, 92193), (9725, 68730), (9875, 67686), (10875, 61462), (11281, 59250), (11455, 58350), (11670, 57275), (11850, 56405), (13746, 48625), (19450, 34365), (19750, 33843), (21750, 30731), (22562, 29625), (22910, 29175)]