289957980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1667}}^1$

素因数の和:1915

約数の個数: 96

約数和(自身を含む): 878782464

約数和(自身を除く): 588824484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 223, 260, 390, 446, 669, 780, 892, 1115, 1338, 1667, 2230, 2676, 2899, 3334, 3345, 4460, 5001, 5798, 6668, 6690, 8335, 8697, 10002, 11596, 13380, 14495, 16670, 17394, 20004, 21671, 25005, 28990, 33340, 34788, 43342, 43485, 50010, 57980, 65013, 86684, 86970, 100020, 108355, 130026, 173940, 216710, 260052, 325065, 371741, 433420, 650130, 743482, 1115223, 1300260, 1486964, 1858705, 2230446, 3717410, 4460892, 4832633, 5576115, 7434820, 9665266, 11152230, 14497899, 19330532, 22304460, 24163165, 28995798, 48326330, 57991596, 72489495, 96652660, 144978990, 289957980]

約数ペア:

[(1, 289957980), (2, 144978990), (3, 96652660), (4, 72489495), (5, 57991596), (6, 48326330), (10, 28995798), (12, 24163165), (13, 22304460), (15, 19330532), (20, 14497899), (26, 11152230), (30, 9665266), (39, 7434820), (52, 5576115), (60, 4832633), (65, 4460892), (78, 3717410), (130, 2230446), (156, 1858705), (195, 1486964), (223, 1300260), (260, 1115223), (390, 743482), (446, 650130), (669, 433420), (780, 371741), (892, 325065), (1115, 260052), (1338, 216710), (1667, 173940), (2230, 130026), (2676, 108355), (2899, 100020), (3334, 86970), (3345, 86684), (4460, 65013), (5001, 57980), (5798, 50010), (6668, 43485), (6690, 43342), (8335, 34788), (8697, 33340), (10002, 28990), (11596, 25005), (13380, 21671), (14495, 20004), (16670, 17394)]