278806710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1399}}^1$

素因数の和:1502

約数の個数: 128

約数和(自身を含む): 835430400

約数和(自身を除く): 556623690

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 73, 78, 91, 105, 130, 146, 182, 195, 210, 219, 273, 365, 390, 438, 455, 511, 546, 730, 910, 949, 1022, 1095, 1365, 1399, 1533, 1898, 2190, 2555, 2730, 2798, 2847, 3066, 4197, 4745, 5110, 5694, 6643, 6995, 7665, 8394, 9490, 9793, 13286, 13990, 14235, 15330, 18187, 19586, 19929, 20985, 28470, 29379, 33215, 36374, 39858, 41970, 48965, 54561, 58758, 66430, 90935, 97930, 99645, 102127, 109122, 127309, 146895, 181870, 199290, 204254, 254618, 272805, 293790, 306381, 381927, 510635, 545610, 612762, 636545, 714889, 763854, 1021270, 1273090, 1327651, 1429778, 1531905, 1909635, 2144667, 2655302, 3063810, 3574445, 3819270, 3982953, 4289334, 6638255, 7148890, 7965906, 9293557, 10723335, 13276510, 18587114, 19914765, 21446670, 27880671, 39829530, 46467785, 55761342, 92935570, 139403355, 278806710]

約数ペア:

[(1, 278806710), (2, 139403355), (3, 92935570), (5, 55761342), (6, 46467785), (7, 39829530), (10, 27880671), (13, 21446670), (14, 19914765), (15, 18587114), (21, 13276510), (26, 10723335), (30, 9293557), (35, 7965906), (39, 7148890), (42, 6638255), (65, 4289334), (70, 3982953), (73, 3819270), (78, 3574445), (91, 3063810), (105, 2655302), (130, 2144667), (146, 1909635), (182, 1531905), (195, 1429778), (210, 1327651), (219, 1273090), (273, 1021270), (365, 763854), (390, 714889), (438, 636545), (455, 612762), (511, 545610), (546, 510635), (730, 381927), (910, 306381), (949, 293790), (1022, 272805), (1095, 254618), (1365, 204254), (1399, 199290), (1533, 181870), (1898, 146895), (2190, 127309), (2555, 109122), (2730, 102127), (2798, 99645), (2847, 97930), (3066, 90935), (4197, 66430), (4745, 58758), (5110, 54561), (5694, 48965), (6643, 41970), (6995, 39858), (7665, 36374), (8394, 33215), (9490, 29379), (9793, 28470), (13286, 20985), (13990, 19929), (14235, 19586), (15330, 18187)]