428188750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 120

約数和(自身を含む): 934857000

約数和(自身を除く): 506668250

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 121, 125, 149, 190, 209, 242, 250, 275, 298, 418, 475, 550, 605, 625, 745, 950, 1045, 1210, 1250, 1375, 1490, 1639, 2090, 2299, 2375, 2750, 2831, 3025, 3278, 3725, 4598, 4750, 5225, 5662, 6050, 6875, 7450, 8195, 10450, 11495, 11875, 13750, 14155, 15125, 16390, 18029, 18625, 22990, 23750, 26125, 28310, 30250, 31141, 36058, 37250, 40975, 52250, 57475, 62282, 70775, 75625, 81950, 90145, 93125, 114950, 130625, 141550, 151250, 155705, 180290, 186250, 204875, 261250, 287375, 311410, 342551, 353875, 409750, 450725, 574750, 685102, 707750, 778525, 901450, 1024375, 1436875, 1557050, 1712755, 1769375, 2048750, 2253625, 2873750, 3425510, 3538750, 3892625, 4507250, 7785250, 8563775, 11268125, 17127550, 19463125, 22536250, 38926250, 42818875, 85637750, 214094375, 428188750]

約数ペア:

[(1, 428188750), (2, 214094375), (5, 85637750), (10, 42818875), (11, 38926250), (19, 22536250), (22, 19463125), (25, 17127550), (38, 11268125), (50, 8563775), (55, 7785250), (95, 4507250), (110, 3892625), (121, 3538750), (125, 3425510), (149, 2873750), (190, 2253625), (209, 2048750), (242, 1769375), (250, 1712755), (275, 1557050), (298, 1436875), (418, 1024375), (475, 901450), (550, 778525), (605, 707750), (625, 685102), (745, 574750), (950, 450725), (1045, 409750), (1210, 353875), (1250, 342551), (1375, 311410), (1490, 287375), (1639, 261250), (2090, 204875), (2299, 186250), (2375, 180290), (2750, 155705), (2831, 151250), (3025, 141550), (3278, 130625), (3725, 114950), (4598, 93125), (4750, 90145), (5225, 81950), (5662, 75625), (6050, 70775), (6875, 62282), (7450, 57475), (8195, 52250), (10450, 40975), (11495, 37250), (11875, 36058), (13750, 31141), (14155, 30250), (15125, 28310), (16390, 26125), (18029, 23750), (18625, 22990)]