291280340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:633

約数の個数: 96

約数和(自身を含む): 690923520

約数和(自身を除く): 399643180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 71, 124, 130, 142, 155, 260, 284, 310, 355, 403, 509, 620, 710, 806, 923, 1018, 1420, 1612, 1846, 2015, 2036, 2201, 2545, 3692, 4030, 4402, 4615, 5090, 6617, 8060, 8804, 9230, 10180, 11005, 13234, 15779, 18460, 22010, 26468, 28613, 31558, 33085, 36139, 44020, 57226, 63116, 66170, 72278, 78895, 114452, 132340, 143065, 144556, 157790, 180695, 205127, 286130, 315580, 361390, 410254, 469807, 572260, 722780, 820508, 939614, 1025635, 1120309, 1879228, 2051270, 2240618, 2349035, 4102540, 4481236, 4698070, 5601545, 9396140, 11203090, 14564017, 22406180, 29128034, 58256068, 72820085, 145640170, 291280340]

約数ペア:

[(1, 291280340), (2, 145640170), (4, 72820085), (5, 58256068), (10, 29128034), (13, 22406180), (20, 14564017), (26, 11203090), (31, 9396140), (52, 5601545), (62, 4698070), (65, 4481236), (71, 4102540), (124, 2349035), (130, 2240618), (142, 2051270), (155, 1879228), (260, 1120309), (284, 1025635), (310, 939614), (355, 820508), (403, 722780), (509, 572260), (620, 469807), (710, 410254), (806, 361390), (923, 315580), (1018, 286130), (1420, 205127), (1612, 180695), (1846, 157790), (2015, 144556), (2036, 143065), (2201, 132340), (2545, 114452), (3692, 78895), (4030, 72278), (4402, 66170), (4615, 63116), (5090, 57226), (6617, 44020), (8060, 36139), (8804, 33085), (9230, 31558), (10180, 28613), (11005, 26468), (13234, 22010), (15779, 18460)]