426543880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 1143060480

約数和(自身を除く): 716516600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 157, 217, 248, 280, 310, 313, 314, 434, 620, 626, 628, 785, 868, 1085, 1099, 1240, 1252, 1256, 1565, 1570, 1736, 2170, 2191, 2198, 2504, 3130, 3140, 4340, 4382, 4396, 4867, 5495, 6260, 6280, 8680, 8764, 8792, 9703, 9734, 10955, 10990, 12520, 17528, 19406, 19468, 21910, 21980, 24335, 34069, 38812, 38936, 43820, 43960, 48515, 48670, 49141, 67921, 68138, 77624, 87640, 97030, 97340, 98282, 135842, 136276, 170345, 194060, 194680, 196564, 245705, 271684, 272552, 339605, 340690, 343987, 388120, 393128, 491410, 543368, 679210, 681380, 687974, 982820, 1358420, 1362760, 1375948, 1523371, 1719935, 1965640, 2716840, 2751896, 3046742, 3439870, 6093484, 6879740, 7616855, 10663597, 12186968, 13759480, 15233710, 21327194, 30467420, 42654388, 53317985, 60934840, 85308776, 106635970, 213271940, 426543880]

約数ペア:

[(1, 426543880), (2, 213271940), (4, 106635970), (5, 85308776), (7, 60934840), (8, 53317985), (10, 42654388), (14, 30467420), (20, 21327194), (28, 15233710), (31, 13759480), (35, 12186968), (40, 10663597), (56, 7616855), (62, 6879740), (70, 6093484), (124, 3439870), (140, 3046742), (155, 2751896), (157, 2716840), (217, 1965640), (248, 1719935), (280, 1523371), (310, 1375948), (313, 1362760), (314, 1358420), (434, 982820), (620, 687974), (626, 681380), (628, 679210), (785, 543368), (868, 491410), (1085, 393128), (1099, 388120), (1240, 343987), (1252, 340690), (1256, 339605), (1565, 272552), (1570, 271684), (1736, 245705), (2170, 196564), (2191, 194680), (2198, 194060), (2504, 170345), (3130, 136276), (3140, 135842), (4340, 98282), (4382, 97340), (4396, 97030), (4867, 87640), (5495, 77624), (6260, 68138), (6280, 67921), (8680, 49141), (8764, 48670), (8792, 48515), (9703, 43960), (9734, 43820), (10955, 38936), (10990, 38812), (12520, 34069), (17528, 24335), (19406, 21980), (19468, 21910)]