216880650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2277

約数の個数: 144

約数和(自身を含む): 687717888

約数和(自身を除く): 470837238

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 31, 35, 42, 45, 50, 62, 63, 70, 75, 90, 93, 105, 126, 150, 155, 175, 186, 210, 217, 225, 279, 310, 315, 350, 434, 450, 465, 525, 558, 630, 651, 775, 930, 1050, 1085, 1302, 1395, 1550, 1575, 1953, 2170, 2221, 2325, 2790, 3150, 3255, 3906, 4442, 4650, 5425, 6510, 6663, 6975, 9765, 10850, 11105, 13326, 13950, 15547, 16275, 19530, 19989, 22210, 31094, 32550, 33315, 39978, 46641, 48825, 55525, 66630, 68851, 77735, 93282, 97650, 99945, 111050, 137702, 139923, 155470, 166575, 199890, 206553, 233205, 279846, 333150, 344255, 388675, 413106, 466410, 481957, 499725, 619659, 688510, 699615, 777350, 963914, 999450, 1032765, 1166025, 1239318, 1399230, 1445871, 1721275, 2065530, 2332050, 2409785, 2891742, 3098295, 3442550, 3498075, 4337613, 4819570, 5163825, 6196590, 6996150, 7229355, 8675226, 10327650, 12048925, 14458710, 15491475, 21688065, 24097850, 30982950, 36146775, 43376130, 72293550, 108440325, 216880650]

約数ペア:

[(1, 216880650), (2, 108440325), (3, 72293550), (5, 43376130), (6, 36146775), (7, 30982950), (9, 24097850), (10, 21688065), (14, 15491475), (15, 14458710), (18, 12048925), (21, 10327650), (25, 8675226), (30, 7229355), (31, 6996150), (35, 6196590), (42, 5163825), (45, 4819570), (50, 4337613), (62, 3498075), (63, 3442550), (70, 3098295), (75, 2891742), (90, 2409785), (93, 2332050), (105, 2065530), (126, 1721275), (150, 1445871), (155, 1399230), (175, 1239318), (186, 1166025), (210, 1032765), (217, 999450), (225, 963914), (279, 777350), (310, 699615), (315, 688510), (350, 619659), (434, 499725), (450, 481957), (465, 466410), (525, 413106), (558, 388675), (630, 344255), (651, 333150), (775, 279846), (930, 233205), (1050, 206553), (1085, 199890), (1302, 166575), (1395, 155470), (1550, 139923), (1575, 137702), (1953, 111050), (2170, 99945), (2221, 97650), (2325, 93282), (2790, 77735), (3150, 68851), (3255, 66630), (3906, 55525), (4442, 48825), (4650, 46641), (5425, 39978), (6510, 33315), (6663, 32550), (6975, 31094), (9765, 22210), (10850, 19989), (11105, 19530), (13326, 16275), (13950, 15547)]