389727246460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{12527}}^1$

素因数の和:12744

約数の個数: 144

約数和(自身を含む): 898119290880

約数和(自身を除く): 508392044420

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 139, 155, 190, 278, 310, 361, 380, 556, 589, 620, 695, 722, 1178, 1390, 1444, 1805, 2356, 2641, 2780, 2945, 3610, 4309, 5282, 5890, 7220, 8618, 10564, 11191, 11780, 12527, 13205, 17236, 21545, 22382, 25054, 26410, 43090, 44764, 50108, 50179, 52820, 55955, 62635, 81871, 86180, 100358, 111910, 125270, 163742, 200716, 223820, 238013, 250540, 250895, 327484, 388337, 409355, 476026, 501790, 776674, 818710, 952052, 1003580, 1190065, 1553348, 1555549, 1637420, 1741253, 1941685, 2380130, 3111098, 3482506, 3883370, 4522247, 4760260, 6222196, 6965012, 7378403, 7766740, 7777745, 8706265, 9044494, 14756806, 15555490, 17412530, 18088988, 22611235, 29513612, 31110980, 33083807, 34825060, 36892015, 45222470, 53978843, 66167614, 73784030, 90444940, 107957686, 132335228, 140189657, 147568060, 165419035, 215915372, 269894215, 280379314, 330838070, 539788430, 560758628, 628592333, 661676140, 700948285, 1025598017, 1079576860, 1257184666, 1401896570, 2051196034, 2514369332, 2803793140, 3142961665, 4102392068, 5127990085, 6285923330, 10255980170, 12571846660, 19486362323, 20511960340, 38972724646, 77945449292, 97431811615, 194863623230, 389727246460]

約数ペア:

[(1, 389727246460), (2, 194863623230), (4, 97431811615), (5, 77945449292), (10, 38972724646), (19, 20511960340), (20, 19486362323), (31, 12571846660), (38, 10255980170), (62, 6285923330), (76, 5127990085), (95, 4102392068), (124, 3142961665), (139, 2803793140), (155, 2514369332), (190, 2051196034), (278, 1401896570), (310, 1257184666), (361, 1079576860), (380, 1025598017), (556, 700948285), (589, 661676140), (620, 628592333), (695, 560758628), (722, 539788430), (1178, 330838070), (1390, 280379314), (1444, 269894215), (1805, 215915372), (2356, 165419035), (2641, 147568060), (2780, 140189657), (2945, 132335228), (3610, 107957686), (4309, 90444940), (5282, 73784030), (5890, 66167614), (7220, 53978843), (8618, 45222470), (10564, 36892015), (11191, 34825060), (11780, 33083807), (12527, 31110980), (13205, 29513612), (17236, 22611235), (21545, 18088988), (22382, 17412530), (25054, 15555490), (26410, 14756806), (43090, 9044494), (44764, 8706265), (50108, 7777745), (50179, 7766740), (52820, 7378403), (55955, 6965012), (62635, 6222196), (81871, 4760260), (86180, 4522247), (100358, 3883370), (111910, 3482506), (125270, 3111098), (163742, 2380130), (200716, 1941685), (223820, 1741253), (238013, 1637420), (250540, 1555549), (250895, 1553348), (327484, 1190065), (388337, 1003580), (409355, 952052), (476026, 818710), (501790, 776674)]