291210140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 680527680

約数和(自身を除く): 389317540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 73, 130, 134, 146, 229, 260, 268, 292, 335, 365, 458, 670, 730, 871, 916, 949, 1145, 1340, 1460, 1742, 1898, 2290, 2977, 3484, 3796, 4355, 4580, 4745, 4891, 5954, 8710, 9490, 9782, 11908, 14885, 15343, 16717, 17420, 18980, 19564, 24455, 29770, 30686, 33434, 48910, 59540, 61372, 63583, 66868, 76715, 83585, 97820, 127166, 153430, 167170, 199459, 217321, 254332, 306860, 317915, 334340, 398918, 434642, 635830, 797836, 869284, 997295, 1086605, 1120039, 1271660, 1994590, 2173210, 2240078, 3989180, 4346420, 4480156, 5600195, 11200390, 14560507, 22400780, 29121014, 58242028, 72802535, 145605070, 291210140]

約数ペア:

[(1, 291210140), (2, 145605070), (4, 72802535), (5, 58242028), (10, 29121014), (13, 22400780), (20, 14560507), (26, 11200390), (52, 5600195), (65, 4480156), (67, 4346420), (73, 3989180), (130, 2240078), (134, 2173210), (146, 1994590), (229, 1271660), (260, 1120039), (268, 1086605), (292, 997295), (335, 869284), (365, 797836), (458, 635830), (670, 434642), (730, 398918), (871, 334340), (916, 317915), (949, 306860), (1145, 254332), (1340, 217321), (1460, 199459), (1742, 167170), (1898, 153430), (2290, 127166), (2977, 97820), (3484, 83585), (3796, 76715), (4355, 66868), (4580, 63583), (4745, 61372), (4891, 59540), (5954, 48910), (8710, 33434), (9490, 30686), (9782, 29770), (11908, 24455), (14885, 19564), (15343, 18980), (16717, 17420)]