378499460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 840792960

約数和(自身を除く): 462293500

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 419, 470, 620, 838, 940, 961, 1457, 1676, 1922, 2095, 2914, 3844, 4190, 4805, 5828, 7285, 8380, 9610, 12989, 14570, 19220, 19693, 25978, 29140, 39386, 45167, 51956, 64945, 78772, 90334, 98465, 129890, 180668, 196930, 225835, 259780, 393860, 402659, 451670, 610483, 805318, 903340, 1220966, 1610636, 2013295, 2441932, 3052415, 4026590, 6104830, 8053180, 12209660, 18924973, 37849946, 75699892, 94624865, 189249730, 378499460]

約数ペア:

[(1, 378499460), (2, 189249730), (4, 94624865), (5, 75699892), (10, 37849946), (20, 18924973), (31, 12209660), (47, 8053180), (62, 6104830), (94, 4026590), (124, 3052415), (155, 2441932), (188, 2013295), (235, 1610636), (310, 1220966), (419, 903340), (470, 805318), (620, 610483), (838, 451670), (940, 402659), (961, 393860), (1457, 259780), (1676, 225835), (1922, 196930), (2095, 180668), (2914, 129890), (3844, 98465), (4190, 90334), (4805, 78772), (5828, 64945), (7285, 51956), (8380, 45167), (9610, 39386), (12989, 29140), (14570, 25978), (19220, 19693)]