2019161750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 4095995904

約数和(自身を除く): 2076834154

約数列:

[1, 2, 5, 10, 25, 31, 43, 50, 62, 73, 83, 86, 125, 146, 155, 166, 215, 250, 310, 365, 415, 430, 730, 775, 830, 1075, 1333, 1550, 1825, 2075, 2150, 2263, 2573, 2666, 3139, 3569, 3650, 3875, 4150, 4526, 5146, 5375, 6059, 6278, 6665, 7138, 7750, 9125, 10375, 10750, 11315, 12118, 12865, 13330, 15695, 17845, 18250, 20750, 22630, 25730, 30295, 31390, 33325, 35690, 56575, 60590, 64325, 66650, 78475, 89225, 97309, 110639, 113150, 128650, 151475, 156950, 166625, 178450, 187829, 194618, 221278, 260537, 282875, 302950, 321625, 333250, 375658, 392375, 446125, 486545, 521074, 553195, 565750, 643250, 757375, 784750, 892250, 939145, 973090, 1106390, 1302685, 1514750, 1878290, 2432725, 2605370, 2765975, 4695725, 4865450, 5531950, 6513425, 8076647, 9391450, 12163625, 13026850, 13829875, 16153294, 23478625, 24327250, 27659750, 32567125, 40383235, 46957250, 65134250, 80766470, 201916175, 403832350, 1009580875, 2019161750]

約数ペア:

[(1, 2019161750), (2, 1009580875), (5, 403832350), (10, 201916175), (25, 80766470), (31, 65134250), (43, 46957250), (50, 40383235), (62, 32567125), (73, 27659750), (83, 24327250), (86, 23478625), (125, 16153294), (146, 13829875), (155, 13026850), (166, 12163625), (215, 9391450), (250, 8076647), (310, 6513425), (365, 5531950), (415, 4865450), (430, 4695725), (730, 2765975), (775, 2605370), (830, 2432725), (1075, 1878290), (1333, 1514750), (1550, 1302685), (1825, 1106390), (2075, 973090), (2150, 939145), (2263, 892250), (2573, 784750), (2666, 757375), (3139, 643250), (3569, 565750), (3650, 553195), (3875, 521074), (4150, 486545), (4526, 446125), (5146, 392375), (5375, 375658), (6059, 333250), (6278, 321625), (6665, 302950), (7138, 282875), (7750, 260537), (9125, 221278), (10375, 194618), (10750, 187829), (11315, 178450), (12118, 166625), (12865, 156950), (13330, 151475), (15695, 128650), (17845, 113150), (18250, 110639), (20750, 97309), (22630, 89225), (25730, 78475), (30295, 66650), (31390, 64325), (33325, 60590), (35690, 56575)]