245212500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 771700608

約数和(自身を除く): 526488108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 500, 503, 625, 650, 750, 780, 975, 1006, 1250, 1300, 1500, 1509, 1625, 1875, 1950, 2012, 2500, 2515, 3018, 3125, 3250, 3750, 3900, 4875, 5030, 6036, 6250, 6500, 6539, 7500, 7545, 8125, 9375, 9750, 10060, 12500, 12575, 13078, 15090, 16250, 18750, 19500, 19617, 24375, 25150, 26156, 30180, 32500, 32695, 37500, 37725, 39234, 40625, 48750, 50300, 62875, 65390, 75450, 78468, 81250, 97500, 98085, 121875, 125750, 130780, 150900, 162500, 163475, 188625, 196170, 243750, 251500, 314375, 326950, 377250, 392340, 487500, 490425, 628750, 653900, 754500, 817375, 943125, 980850, 1257500, 1571875, 1634750, 1886250, 1961700, 2452125, 3143750, 3269500, 3772500, 4086875, 4715625, 4904250, 6287500, 8173750, 9431250, 9808500, 12260625, 16347500, 18862500, 20434375, 24521250, 40868750, 49042500, 61303125, 81737500, 122606250, 245212500]

約数ペア:

[(1, 245212500), (2, 122606250), (3, 81737500), (4, 61303125), (5, 49042500), (6, 40868750), (10, 24521250), (12, 20434375), (13, 18862500), (15, 16347500), (20, 12260625), (25, 9808500), (26, 9431250), (30, 8173750), (39, 6287500), (50, 4904250), (52, 4715625), (60, 4086875), (65, 3772500), (75, 3269500), (78, 3143750), (100, 2452125), (125, 1961700), (130, 1886250), (150, 1634750), (156, 1571875), (195, 1257500), (250, 980850), (260, 943125), (300, 817375), (325, 754500), (375, 653900), (390, 628750), (500, 490425), (503, 487500), (625, 392340), (650, 377250), (750, 326950), (780, 314375), (975, 251500), (1006, 243750), (1250, 196170), (1300, 188625), (1500, 163475), (1509, 162500), (1625, 150900), (1875, 130780), (1950, 125750), (2012, 121875), (2500, 98085), (2515, 97500), (3018, 81250), (3125, 78468), (3250, 75450), (3750, 65390), (3900, 62875), (4875, 50300), (5030, 48750), (6036, 40625), (6250, 39234), (6500, 37725), (6539, 37500), (7500, 32695), (7545, 32500), (8125, 30180), (9375, 26156), (9750, 25150), (10060, 24375), (12500, 19617), (12575, 19500), (13078, 18750), (15090, 16250)]