202143940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 462481992

約数和(自身を除く): 260338052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 289, 340, 410, 578, 697, 820, 853, 1156, 1394, 1445, 1706, 2788, 2890, 3412, 3485, 4265, 5780, 6970, 8530, 11849, 13940, 14501, 17060, 23698, 29002, 34973, 47396, 58004, 59245, 69946, 72505, 118490, 139892, 145010, 174865, 236980, 246517, 290020, 349730, 493034, 594541, 699460, 986068, 1189082, 1232585, 2378164, 2465170, 2972705, 4930340, 5945410, 10107197, 11890820, 20214394, 40428788, 50535985, 101071970, 202143940]

約数ペア:

[(1, 202143940), (2, 101071970), (4, 50535985), (5, 40428788), (10, 20214394), (17, 11890820), (20, 10107197), (34, 5945410), (41, 4930340), (68, 2972705), (82, 2465170), (85, 2378164), (164, 1232585), (170, 1189082), (205, 986068), (289, 699460), (340, 594541), (410, 493034), (578, 349730), (697, 290020), (820, 246517), (853, 236980), (1156, 174865), (1394, 145010), (1445, 139892), (1706, 118490), (2788, 72505), (2890, 69946), (3412, 59245), (3485, 58004), (4265, 47396), (5780, 34973), (6970, 29002), (8530, 23698), (11849, 17060), (13940, 14501)]