202013890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 439427520

約数和(自身を除く): 237413630

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 283, 289, 323, 442, 494, 566, 578, 646, 1105, 1235, 1415, 1445, 1615, 2210, 2470, 2830, 2890, 3230, 3679, 3757, 4199, 4811, 5377, 5491, 7358, 7514, 8398, 9622, 10754, 10982, 18395, 18785, 20995, 24055, 26885, 27455, 36790, 37570, 41990, 48110, 53770, 54910, 62543, 69901, 71383, 81787, 91409, 125086, 139802, 142766, 163574, 182818, 312715, 349505, 356915, 408935, 457045, 625430, 699010, 713830, 817870, 914090, 1063231, 1188317, 1553953, 2126462, 2376634, 3107906, 5316155, 5941585, 7769765, 10632310, 11883170, 15539530, 20201389, 40402778, 101006945, 202013890]

約数ペア:

[(1, 202013890), (2, 101006945), (5, 40402778), (10, 20201389), (13, 15539530), (17, 11883170), (19, 10632310), (26, 7769765), (34, 5941585), (38, 5316155), (65, 3107906), (85, 2376634), (95, 2126462), (130, 1553953), (170, 1188317), (190, 1063231), (221, 914090), (247, 817870), (283, 713830), (289, 699010), (323, 625430), (442, 457045), (494, 408935), (566, 356915), (578, 349505), (646, 312715), (1105, 182818), (1235, 163574), (1415, 142766), (1445, 139802), (1615, 125086), (2210, 91409), (2470, 81787), (2830, 71383), (2890, 69901), (3230, 62543), (3679, 54910), (3757, 53770), (4199, 48110), (4811, 41990), (5377, 37570), (5491, 36790), (7358, 27455), (7514, 26885), (8398, 24055), (9622, 20995), (10754, 18785), (10982, 18395)]