1879289750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:895

約数の個数: 128

約数和(自身を含む): 4085932032

約数和(自身を除く): 2206642282

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 31, 46, 50, 62, 65, 115, 125, 130, 155, 230, 250, 299, 310, 325, 403, 575, 598, 650, 713, 775, 806, 811, 1150, 1426, 1495, 1550, 1622, 1625, 2015, 2875, 2990, 3250, 3565, 3875, 4030, 4055, 5750, 7130, 7475, 7750, 8110, 9269, 10075, 10543, 14950, 17825, 18538, 18653, 20150, 20275, 21086, 25141, 35650, 37306, 37375, 40550, 46345, 50282, 50375, 52715, 74750, 89125, 92690, 93265, 100750, 101375, 105430, 125705, 178250, 186530, 202750, 231725, 242489, 251410, 263575, 326833, 463450, 466325, 484978, 527150, 578243, 628525, 653666, 932650, 1156486, 1158625, 1212445, 1257050, 1317875, 1634165, 2317250, 2331625, 2424890, 2635750, 2891215, 3142625, 3268330, 4663250, 5782430, 6062225, 6285250, 7517159, 8170825, 12124450, 14456075, 15034318, 16341650, 28912150, 30311125, 37585795, 40854125, 60622250, 72280375, 75171590, 81708250, 144560750, 187928975, 375857950, 939644875, 1879289750]

約数ペア:

[(1, 1879289750), (2, 939644875), (5, 375857950), (10, 187928975), (13, 144560750), (23, 81708250), (25, 75171590), (26, 72280375), (31, 60622250), (46, 40854125), (50, 37585795), (62, 30311125), (65, 28912150), (115, 16341650), (125, 15034318), (130, 14456075), (155, 12124450), (230, 8170825), (250, 7517159), (299, 6285250), (310, 6062225), (325, 5782430), (403, 4663250), (575, 3268330), (598, 3142625), (650, 2891215), (713, 2635750), (775, 2424890), (806, 2331625), (811, 2317250), (1150, 1634165), (1426, 1317875), (1495, 1257050), (1550, 1212445), (1622, 1158625), (1625, 1156486), (2015, 932650), (2875, 653666), (2990, 628525), (3250, 578243), (3565, 527150), (3875, 484978), (4030, 466325), (4055, 463450), (5750, 326833), (7130, 263575), (7475, 251410), (7750, 242489), (8110, 231725), (9269, 202750), (10075, 186530), (10543, 178250), (14950, 125705), (17825, 105430), (18538, 101375), (18653, 100750), (20150, 93265), (20275, 92690), (21086, 89125), (25141, 74750), (35650, 52715), (37306, 50375), (37375, 50282), (40550, 46345)]