130928980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 353928960

約数和(自身を除く): 222999980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 49, 52, 65, 70, 86, 91, 98, 130, 140, 172, 182, 196, 215, 239, 245, 260, 301, 364, 430, 455, 478, 490, 559, 602, 637, 860, 910, 956, 980, 1118, 1195, 1204, 1274, 1505, 1673, 1820, 2107, 2236, 2390, 2548, 2795, 3010, 3107, 3185, 3346, 3913, 4214, 4780, 5590, 6020, 6214, 6370, 6692, 7826, 8365, 8428, 10277, 10535, 11180, 11711, 12428, 12740, 15535, 15652, 16730, 19565, 20554, 21070, 21749, 23422, 27391, 31070, 33460, 39130, 41108, 42140, 43498, 46844, 51385, 54782, 58555, 62140, 71939, 78260, 86996, 102770, 108745, 109564, 117110, 133601, 136955, 143878, 152243, 205540, 217490, 234220, 267202, 273910, 287756, 304486, 359695, 434980, 503573, 534404, 547820, 608972, 668005, 719390, 761215, 935207, 1007146, 1336010, 1438780, 1522430, 1870414, 2014292, 2517865, 2672020, 3044860, 3740828, 4676035, 5035730, 6546449, 9352070, 10071460, 13092898, 18704140, 26185796, 32732245, 65464490, 130928980]

約数ペア:

[(1, 130928980), (2, 65464490), (4, 32732245), (5, 26185796), (7, 18704140), (10, 13092898), (13, 10071460), (14, 9352070), (20, 6546449), (26, 5035730), (28, 4676035), (35, 3740828), (43, 3044860), (49, 2672020), (52, 2517865), (65, 2014292), (70, 1870414), (86, 1522430), (91, 1438780), (98, 1336010), (130, 1007146), (140, 935207), (172, 761215), (182, 719390), (196, 668005), (215, 608972), (239, 547820), (245, 534404), (260, 503573), (301, 434980), (364, 359695), (430, 304486), (455, 287756), (478, 273910), (490, 267202), (559, 234220), (602, 217490), (637, 205540), (860, 152243), (910, 143878), (956, 136955), (980, 133601), (1118, 117110), (1195, 109564), (1204, 108745), (1274, 102770), (1505, 86996), (1673, 78260), (1820, 71939), (2107, 62140), (2236, 58555), (2390, 54782), (2548, 51385), (2795, 46844), (3010, 43498), (3107, 42140), (3185, 41108), (3346, 39130), (3913, 33460), (4214, 31070), (4780, 27391), (5590, 23422), (6020, 21749), (6214, 21070), (6370, 20554), (6692, 19565), (7826, 16730), (8365, 15652), (8428, 15535), (10277, 12740), (10535, 12428), (11180, 11711)]