78028300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 209986560

約数和(自身を除く): 131958260

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 79, 83, 85, 100, 119, 140, 158, 166, 170, 175, 238, 316, 332, 340, 350, 395, 415, 425, 476, 553, 581, 595, 700, 790, 830, 850, 1106, 1162, 1190, 1343, 1411, 1580, 1660, 1700, 1975, 2075, 2212, 2324, 2380, 2686, 2765, 2822, 2905, 2975, 3950, 4150, 5372, 5530, 5644, 5810, 5950, 6557, 6715, 7055, 7900, 8300, 9401, 9877, 11060, 11620, 11900, 13114, 13430, 13825, 14110, 14525, 18802, 19754, 26228, 26860, 27650, 28220, 29050, 32785, 33575, 35275, 37604, 39508, 45899, 47005, 49385, 55300, 58100, 65570, 67150, 70550, 91798, 94010, 98770, 111469, 131140, 134300, 141100, 163925, 183596, 188020, 197540, 222938, 229495, 235025, 246925, 327850, 445876, 458990, 470050, 493850, 557345, 655700, 780283, 917980, 940100, 987700, 1114690, 1147475, 1560566, 2229380, 2294950, 2786725, 3121132, 3901415, 4589900, 5573450, 7802830, 11146900, 15605660, 19507075, 39014150, 78028300]

約数ペア:

[(1, 78028300), (2, 39014150), (4, 19507075), (5, 15605660), (7, 11146900), (10, 7802830), (14, 5573450), (17, 4589900), (20, 3901415), (25, 3121132), (28, 2786725), (34, 2294950), (35, 2229380), (50, 1560566), (68, 1147475), (70, 1114690), (79, 987700), (83, 940100), (85, 917980), (100, 780283), (119, 655700), (140, 557345), (158, 493850), (166, 470050), (170, 458990), (175, 445876), (238, 327850), (316, 246925), (332, 235025), (340, 229495), (350, 222938), (395, 197540), (415, 188020), (425, 183596), (476, 163925), (553, 141100), (581, 134300), (595, 131140), (700, 111469), (790, 98770), (830, 94010), (850, 91798), (1106, 70550), (1162, 67150), (1190, 65570), (1343, 58100), (1411, 55300), (1580, 49385), (1660, 47005), (1700, 45899), (1975, 39508), (2075, 37604), (2212, 35275), (2324, 33575), (2380, 32785), (2686, 29050), (2765, 28220), (2822, 27650), (2905, 26860), (2975, 26228), (3950, 19754), (4150, 18802), (5372, 14525), (5530, 14110), (5644, 13825), (5810, 13430), (5950, 13114), (6557, 11900), (6715, 11620), (7055, 11060), (7900, 9877), (8300, 9401)]