179629820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 417130560

約数和(自身を除く): 237500740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 109, 131, 148, 170, 185, 218, 262, 340, 370, 436, 524, 545, 629, 655, 740, 1090, 1258, 1310, 1853, 2180, 2227, 2516, 2620, 3145, 3706, 4033, 4454, 4847, 6290, 7412, 8066, 8908, 9265, 9694, 11135, 12580, 14279, 16132, 18530, 19388, 20165, 22270, 24235, 28558, 37060, 40330, 44540, 48470, 57116, 68561, 71395, 80660, 82399, 96940, 137122, 142790, 164798, 242743, 274244, 285580, 329596, 342805, 411995, 485486, 528323, 685610, 823990, 970972, 1056646, 1213715, 1371220, 1647980, 2113292, 2427430, 2641615, 4854860, 5283230, 8981491, 10566460, 17962982, 35925964, 44907455, 89814910, 179629820]

約数ペア:

[(1, 179629820), (2, 89814910), (4, 44907455), (5, 35925964), (10, 17962982), (17, 10566460), (20, 8981491), (34, 5283230), (37, 4854860), (68, 2641615), (74, 2427430), (85, 2113292), (109, 1647980), (131, 1371220), (148, 1213715), (170, 1056646), (185, 970972), (218, 823990), (262, 685610), (340, 528323), (370, 485486), (436, 411995), (524, 342805), (545, 329596), (629, 285580), (655, 274244), (740, 242743), (1090, 164798), (1258, 142790), (1310, 137122), (1853, 96940), (2180, 82399), (2227, 80660), (2516, 71395), (2620, 68561), (3145, 57116), (3706, 48470), (4033, 44540), (4454, 40330), (4847, 37060), (6290, 28558), (7412, 24235), (8066, 22270), (8908, 20165), (9265, 19388), (9694, 18530), (11135, 16132), (12580, 14279)]