290464980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1213}}^1$

素因数の和:1545

約数の個数: 96

約数和(自身を含む): 879441024

約数和(自身を除く): 588976044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 307, 390, 614, 780, 921, 1213, 1228, 1535, 1842, 2426, 3070, 3639, 3684, 3991, 4605, 4852, 6065, 6140, 7278, 7982, 9210, 11973, 12130, 14556, 15769, 15964, 18195, 18420, 19955, 23946, 24260, 31538, 36390, 39910, 47307, 47892, 59865, 63076, 72780, 78845, 79820, 94614, 119730, 157690, 189228, 236535, 239460, 315380, 372391, 473070, 744782, 946140, 1117173, 1489564, 1861955, 2234346, 3723910, 4468692, 4841083, 5585865, 7447820, 9682166, 11171730, 14523249, 19364332, 22343460, 24205415, 29046498, 48410830, 58092996, 72616245, 96821660, 145232490, 290464980]

約数ペア:

[(1, 290464980), (2, 145232490), (3, 96821660), (4, 72616245), (5, 58092996), (6, 48410830), (10, 29046498), (12, 24205415), (13, 22343460), (15, 19364332), (20, 14523249), (26, 11171730), (30, 9682166), (39, 7447820), (52, 5585865), (60, 4841083), (65, 4468692), (78, 3723910), (130, 2234346), (156, 1861955), (195, 1489564), (260, 1117173), (307, 946140), (390, 744782), (614, 473070), (780, 372391), (921, 315380), (1213, 239460), (1228, 236535), (1535, 189228), (1842, 157690), (2426, 119730), (3070, 94614), (3639, 79820), (3684, 78845), (3991, 72780), (4605, 63076), (4852, 59865), (6065, 47892), (6140, 47307), (7278, 39910), (7982, 36390), (9210, 31538), (11973, 24260), (12130, 23946), (14556, 19955), (15769, 18420), (15964, 18195)]