401042500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{8443}}^1$

素因数の和:8486

約数の個数: 60

約数和(自身を含む): 923266960

約数和(自身を除く): 522224460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 625, 950, 1250, 1900, 2375, 2500, 4750, 8443, 9500, 11875, 16886, 23750, 33772, 42215, 47500, 84430, 160417, 168860, 211075, 320834, 422150, 641668, 802085, 844300, 1055375, 1604170, 2110750, 3208340, 4010425, 4221500, 5276875, 8020850, 10553750, 16041700, 20052125, 21107500, 40104250, 80208500, 100260625, 200521250, 401042500]

約数ペア:

[(1, 401042500), (2, 200521250), (4, 100260625), (5, 80208500), (10, 40104250), (19, 21107500), (20, 20052125), (25, 16041700), (38, 10553750), (50, 8020850), (76, 5276875), (95, 4221500), (100, 4010425), (125, 3208340), (190, 2110750), (250, 1604170), (380, 1055375), (475, 844300), (500, 802085), (625, 641668), (950, 422150), (1250, 320834), (1900, 211075), (2375, 168860), (2500, 160417), (4750, 84430), (8443, 47500), (9500, 42215), (11875, 33772), (16886, 23750)]