1888394300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 4648577472

約数和(自身を除く): 2760183172

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 130, 137, 230, 260, 274, 299, 325, 460, 461, 548, 575, 598, 650, 685, 922, 1150, 1196, 1300, 1370, 1495, 1781, 1844, 2300, 2305, 2740, 2990, 3151, 3425, 3562, 4610, 5980, 5993, 6302, 6850, 7124, 7475, 8905, 9220, 10603, 11525, 11986, 12604, 13700, 14950, 15755, 17810, 21206, 23050, 23972, 29900, 29965, 31510, 35620, 40963, 42412, 44525, 46100, 53015, 59930, 63020, 63157, 78775, 81926, 89050, 106030, 119860, 126314, 137839, 149825, 157550, 163852, 178100, 204815, 212060, 252628, 265075, 275678, 299650, 315100, 315785, 409630, 530150, 551356, 599300, 631570, 689195, 819260, 821041, 1024075, 1060300, 1263140, 1378390, 1452611, 1578925, 1642082, 2048150, 2756780, 2905222, 3157850, 3284164, 3445975, 4096300, 4105205, 5810444, 6315700, 6891950, 7263055, 8210410, 13783900, 14526110, 16420820, 18883943, 20526025, 29052220, 36315275, 37767886, 41052050, 72630550, 75535772, 82104100, 94419715, 145261100, 188839430, 377678860, 472098575, 944197150, 1888394300]

約数ペア:

[(1, 1888394300), (2, 944197150), (4, 472098575), (5, 377678860), (10, 188839430), (13, 145261100), (20, 94419715), (23, 82104100), (25, 75535772), (26, 72630550), (46, 41052050), (50, 37767886), (52, 36315275), (65, 29052220), (92, 20526025), (100, 18883943), (115, 16420820), (130, 14526110), (137, 13783900), (230, 8210410), (260, 7263055), (274, 6891950), (299, 6315700), (325, 5810444), (460, 4105205), (461, 4096300), (548, 3445975), (575, 3284164), (598, 3157850), (650, 2905222), (685, 2756780), (922, 2048150), (1150, 1642082), (1196, 1578925), (1300, 1452611), (1370, 1378390), (1495, 1263140), (1781, 1060300), (1844, 1024075), (2300, 821041), (2305, 819260), (2740, 689195), (2990, 631570), (3151, 599300), (3425, 551356), (3562, 530150), (4610, 409630), (5980, 315785), (5993, 315100), (6302, 299650), (6850, 275678), (7124, 265075), (7475, 252628), (8905, 212060), (9220, 204815), (10603, 178100), (11525, 163852), (11986, 157550), (12604, 149825), (13700, 137839), (14950, 126314), (15755, 119860), (17810, 106030), (21206, 89050), (23050, 81926), (23972, 78775), (29900, 63157), (29965, 63020), (31510, 59930), (35620, 53015), (40963, 46100), (42412, 44525)]