989051940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{9623}}^1$

素因数の和:10209

約数の個数: 72

約数和(自身を含む): 3005690688

約数和(自身を除く): 2016638748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 571, 1142, 1713, 2284, 2855, 3426, 5139, 5710, 6852, 8565, 9623, 10278, 11420, 17130, 19246, 20556, 25695, 28869, 34260, 38492, 48115, 51390, 57738, 86607, 96230, 102780, 115476, 144345, 173214, 192460, 288690, 346428, 433035, 577380, 866070, 1732140, 5494733, 10989466, 16484199, 21978932, 27473665, 32968398, 49452597, 54947330, 65936796, 82420995, 98905194, 109894660, 164841990, 197810388, 247262985, 329683980, 494525970, 989051940]

約数ペア:

[(1, 989051940), (2, 494525970), (3, 329683980), (4, 247262985), (5, 197810388), (6, 164841990), (9, 109894660), (10, 98905194), (12, 82420995), (15, 65936796), (18, 54947330), (20, 49452597), (30, 32968398), (36, 27473665), (45, 21978932), (60, 16484199), (90, 10989466), (180, 5494733), (571, 1732140), (1142, 866070), (1713, 577380), (2284, 433035), (2855, 346428), (3426, 288690), (5139, 192460), (5710, 173214), (6852, 144345), (8565, 115476), (9623, 102780), (10278, 96230), (11420, 86607), (17130, 57738), (19246, 51390), (20556, 48115), (25695, 38492), (28869, 34260)]