396658640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:437

約数の個数: 160

約数和(自身を含む): 1106405376

約数和(自身を除く): 709746736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 217, 248, 280, 292, 310, 313, 365, 434, 496, 511, 560, 584, 620, 626, 730, 868, 1022, 1085, 1168, 1240, 1252, 1460, 1565, 1736, 2044, 2170, 2191, 2263, 2480, 2504, 2555, 2920, 3130, 3472, 4088, 4340, 4382, 4526, 5008, 5110, 5840, 6260, 8176, 8680, 8764, 9052, 9703, 10220, 10955, 11315, 12520, 15841, 17360, 17528, 18104, 19406, 20440, 21910, 22630, 22849, 25040, 31682, 35056, 36208, 38812, 40880, 43820, 45260, 45698, 48515, 63364, 67921, 77624, 79205, 87640, 90520, 91396, 97030, 114245, 126728, 135842, 155248, 158410, 159943, 175280, 181040, 182792, 194060, 228490, 253456, 271684, 316820, 319886, 339605, 365584, 388120, 456980, 543368, 633640, 639772, 679210, 708319, 776240, 799715, 913960, 1086736, 1267280, 1279544, 1358420, 1416638, 1599430, 1827920, 2559088, 2716840, 2833276, 3198860, 3541595, 4958233, 5433680, 5666552, 6397720, 7083190, 9916466, 11333104, 12795440, 14166380, 19832932, 24791165, 28332760, 39665864, 49582330, 56665520, 79331728, 99164660, 198329320, 396658640]

約数ペア:

[(1, 396658640), (2, 198329320), (4, 99164660), (5, 79331728), (7, 56665520), (8, 49582330), (10, 39665864), (14, 28332760), (16, 24791165), (20, 19832932), (28, 14166380), (31, 12795440), (35, 11333104), (40, 9916466), (56, 7083190), (62, 6397720), (70, 5666552), (73, 5433680), (80, 4958233), (112, 3541595), (124, 3198860), (140, 2833276), (146, 2716840), (155, 2559088), (217, 1827920), (248, 1599430), (280, 1416638), (292, 1358420), (310, 1279544), (313, 1267280), (365, 1086736), (434, 913960), (496, 799715), (511, 776240), (560, 708319), (584, 679210), (620, 639772), (626, 633640), (730, 543368), (868, 456980), (1022, 388120), (1085, 365584), (1168, 339605), (1240, 319886), (1252, 316820), (1460, 271684), (1565, 253456), (1736, 228490), (2044, 194060), (2170, 182792), (2191, 181040), (2263, 175280), (2480, 159943), (2504, 158410), (2555, 155248), (2920, 135842), (3130, 126728), (3472, 114245), (4088, 97030), (4340, 91396), (4382, 90520), (4526, 87640), (5008, 79205), (5110, 77624), (5840, 67921), (6260, 63364), (8176, 48515), (8680, 45698), (8764, 45260), (9052, 43820), (9703, 40880), (10220, 38812), (10955, 36208), (11315, 35056), (12520, 31682), (15841, 25040), (17360, 22849), (17528, 22630), (18104, 21910), (19406, 20440)]