210865460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 495500544

約数和(自身を除く): 284635084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 131, 151, 164, 205, 260, 262, 302, 410, 524, 533, 604, 655, 755, 820, 1066, 1310, 1510, 1703, 1963, 2132, 2620, 2665, 3020, 3406, 3926, 5330, 5371, 6191, 6812, 7852, 8515, 9815, 10660, 10742, 12382, 17030, 19630, 19781, 21484, 24764, 26855, 30955, 34060, 39260, 39562, 53710, 61910, 69823, 79124, 80483, 98905, 107420, 123820, 139646, 160966, 197810, 257153, 279292, 321932, 349115, 395620, 402415, 514306, 698230, 804830, 811021, 1028612, 1285765, 1396460, 1609660, 1622042, 2571530, 3244084, 4055105, 5143060, 8110210, 10543273, 16220420, 21086546, 42173092, 52716365, 105432730, 210865460]

約数ペア:

[(1, 210865460), (2, 105432730), (4, 52716365), (5, 42173092), (10, 21086546), (13, 16220420), (20, 10543273), (26, 8110210), (41, 5143060), (52, 4055105), (65, 3244084), (82, 2571530), (130, 1622042), (131, 1609660), (151, 1396460), (164, 1285765), (205, 1028612), (260, 811021), (262, 804830), (302, 698230), (410, 514306), (524, 402415), (533, 395620), (604, 349115), (655, 321932), (755, 279292), (820, 257153), (1066, 197810), (1310, 160966), (1510, 139646), (1703, 123820), (1963, 107420), (2132, 98905), (2620, 80483), (2665, 79124), (3020, 69823), (3406, 61910), (3926, 53710), (5330, 39562), (5371, 39260), (6191, 34060), (6812, 30955), (7852, 26855), (8515, 24764), (9815, 21484), (10660, 19781), (10742, 19630), (12382, 17030)]