390053780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1689

約数の個数: 96

約数和(自身を含む): 934778880

約数和(自身を除く): 544725100

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 31, 34, 46, 62, 68, 85, 92, 115, 124, 155, 170, 230, 310, 340, 391, 460, 527, 620, 713, 782, 1054, 1426, 1564, 1609, 1955, 2108, 2635, 2852, 3218, 3565, 3910, 5270, 6436, 7130, 7820, 8045, 10540, 12121, 14260, 16090, 24242, 27353, 32180, 37007, 48484, 49879, 54706, 60605, 74014, 99758, 109412, 121210, 136765, 148028, 185035, 199516, 242420, 249395, 273530, 370070, 498790, 547060, 629119, 740140, 847943, 997580, 1147217, 1258238, 1695886, 2294434, 2516476, 3145595, 3391772, 4239715, 4588868, 5736085, 6291190, 8479430, 11472170, 12582380, 16958860, 19502689, 22944340, 39005378, 78010756, 97513445, 195026890, 390053780]

約数ペア:

[(1, 390053780), (2, 195026890), (4, 97513445), (5, 78010756), (10, 39005378), (17, 22944340), (20, 19502689), (23, 16958860), (31, 12582380), (34, 11472170), (46, 8479430), (62, 6291190), (68, 5736085), (85, 4588868), (92, 4239715), (115, 3391772), (124, 3145595), (155, 2516476), (170, 2294434), (230, 1695886), (310, 1258238), (340, 1147217), (391, 997580), (460, 847943), (527, 740140), (620, 629119), (713, 547060), (782, 498790), (1054, 370070), (1426, 273530), (1564, 249395), (1609, 242420), (1955, 199516), (2108, 185035), (2635, 148028), (2852, 136765), (3218, 121210), (3565, 109412), (3910, 99758), (5270, 74014), (6436, 60605), (7130, 54706), (7820, 49879), (8045, 48484), (10540, 37007), (12121, 32180), (14260, 27353), (16090, 24242)]