2018726500

素因数分解:

$2^2\times 5^3\times 7^3\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 192

約数和(自身を含む): 5241600000

約数和(自身を除く): 3222873500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 79, 98, 100, 125, 140, 149, 158, 175, 196, 245, 250, 298, 316, 343, 350, 395, 490, 500, 553, 596, 686, 700, 745, 790, 875, 980, 1043, 1106, 1225, 1372, 1490, 1580, 1715, 1750, 1975, 2086, 2212, 2450, 2765, 2980, 3430, 3500, 3725, 3871, 3950, 4172, 4900, 5215, 5530, 6125, 6860, 7301, 7450, 7742, 7900, 8575, 9875, 10430, 11060, 11771, 12250, 13825, 14602, 14900, 15484, 17150, 18625, 19355, 19750, 20860, 23542, 24500, 26075, 27097, 27650, 29204, 34300, 36505, 37250, 38710, 39500, 42875, 47084, 51107, 52150, 54194, 55300, 58855, 69125, 73010, 74500, 77420, 82397, 85750, 96775, 102214, 104300, 108388, 117710, 130375, 135485, 138250, 146020, 164794, 171500, 182525, 193550, 204428, 235420, 255535, 260750, 270970, 276500, 294275, 329588, 365050, 387100, 411985, 483875, 511070, 521500, 541940, 576779, 588550, 677425, 730100, 823970, 912625, 967750, 1022140, 1153558, 1177100, 1277675, 1354850, 1471375, 1647940, 1825250, 1935500, 2059925, 2307116, 2555350, 2709700, 2883895, 2942750, 3387125, 3650500, 4037453, 4119850, 5110700, 5767790, 5885500, 6388375, 6774250, 8074906, 8239700, 10299625, 11535580, 12776750, 13548500, 14419475, 16149812, 20187265, 20599250, 25553500, 28838950, 40374530, 41198500, 57677900, 72097375, 80749060, 100936325, 144194750, 201872650, 288389500, 403745300, 504681625, 1009363250, 2018726500]

約数ペア:

[(1, 2018726500), (2, 1009363250), (4, 504681625), (5, 403745300), (7, 288389500), (10, 201872650), (14, 144194750), (20, 100936325), (25, 80749060), (28, 72097375), (35, 57677900), (49, 41198500), (50, 40374530), (70, 28838950), (79, 25553500), (98, 20599250), (100, 20187265), (125, 16149812), (140, 14419475), (149, 13548500), (158, 12776750), (175, 11535580), (196, 10299625), (245, 8239700), (250, 8074906), (298, 6774250), (316, 6388375), (343, 5885500), (350, 5767790), (395, 5110700), (490, 4119850), (500, 4037453), (553, 3650500), (596, 3387125), (686, 2942750), (700, 2883895), (745, 2709700), (790, 2555350), (875, 2307116), (980, 2059925), (1043, 1935500), (1106, 1825250), (1225, 1647940), (1372, 1471375), (1490, 1354850), (1580, 1277675), (1715, 1177100), (1750, 1153558), (1975, 1022140), (2086, 967750), (2212, 912625), (2450, 823970), (2765, 730100), (2980, 677425), (3430, 588550), (3500, 576779), (3725, 541940), (3871, 521500), (3950, 511070), (4172, 483875), (4900, 411985), (5215, 387100), (5530, 365050), (6125, 329588), (6860, 294275), (7301, 276500), (7450, 270970), (7742, 260750), (7900, 255535), (8575, 235420), (9875, 204428), (10430, 193550), (11060, 182525), (11771, 171500), (12250, 164794), (13825, 146020), (14602, 138250), (14900, 135485), (15484, 130375), (17150, 117710), (18625, 108388), (19355, 104300), (19750, 102214), (20860, 96775), (23542, 85750), (24500, 82397), (26075, 77420), (27097, 74500), (27650, 73010), (29204, 69125), (34300, 58855), (36505, 55300), (37250, 54194), (38710, 52150), (39500, 51107), (42875, 47084)]