4496920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 10936800

約数和(自身を除く): 6439880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 97, 122, 152, 190, 194, 244, 305, 380, 388, 485, 488, 610, 760, 776, 970, 1159, 1220, 1843, 1940, 2318, 2440, 3686, 3880, 4636, 5795, 5917, 7372, 9215, 9272, 11590, 11834, 14744, 18430, 23180, 23668, 29585, 36860, 46360, 47336, 59170, 73720, 112423, 118340, 224846, 236680, 449692, 562115, 899384, 1124230, 2248460, 4496920]

約数ペア:

[(1, 4496920), (2, 2248460), (4, 1124230), (5, 899384), (8, 562115), (10, 449692), (19, 236680), (20, 224846), (38, 118340), (40, 112423), (61, 73720), (76, 59170), (95, 47336), (97, 46360), (122, 36860), (152, 29585), (190, 23668), (194, 23180), (244, 18430), (305, 14744), (380, 11834), (388, 11590), (485, 9272), (488, 9215), (610, 7372), (760, 5917), (776, 5795), (970, 4636), (1159, 3880), (1220, 3686), (1843, 2440), (1940, 2318)]