201215420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:771

約数の個数: 96

約数和(自身を含む): 506290176

約数和(自身を除く): 305074756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 71, 124, 140, 142, 155, 217, 284, 310, 355, 434, 497, 620, 653, 710, 868, 994, 1085, 1306, 1420, 1988, 2170, 2201, 2485, 2612, 3265, 4340, 4402, 4571, 4970, 6530, 8804, 9142, 9940, 11005, 13060, 15407, 18284, 20243, 22010, 22855, 30814, 40486, 44020, 45710, 46363, 61628, 77035, 80972, 91420, 92726, 101215, 141701, 154070, 185452, 202430, 231815, 283402, 308140, 324541, 404860, 463630, 566804, 649082, 708505, 927260, 1298164, 1417010, 1437253, 1622705, 2834020, 2874506, 3245410, 5749012, 6490820, 7186265, 10060771, 14372530, 20121542, 28745060, 40243084, 50303855, 100607710, 201215420]

約数ペア:

[(1, 201215420), (2, 100607710), (4, 50303855), (5, 40243084), (7, 28745060), (10, 20121542), (14, 14372530), (20, 10060771), (28, 7186265), (31, 6490820), (35, 5749012), (62, 3245410), (70, 2874506), (71, 2834020), (124, 1622705), (140, 1437253), (142, 1417010), (155, 1298164), (217, 927260), (284, 708505), (310, 649082), (355, 566804), (434, 463630), (497, 404860), (620, 324541), (653, 308140), (710, 283402), (868, 231815), (994, 202430), (1085, 185452), (1306, 154070), (1420, 141701), (1988, 101215), (2170, 92726), (2201, 91420), (2485, 80972), (2612, 77035), (3265, 61628), (4340, 46363), (4402, 45710), (4571, 44020), (4970, 40486), (6530, 30814), (8804, 22855), (9142, 22010), (9940, 20243), (11005, 18284), (13060, 15407)]