248952440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 651974400

約数和(自身を除く): 403021960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 97, 110, 152, 190, 194, 209, 220, 307, 380, 388, 418, 440, 485, 614, 760, 776, 836, 970, 1045, 1067, 1228, 1535, 1672, 1843, 1940, 2090, 2134, 2456, 3070, 3377, 3686, 3880, 4180, 4268, 5335, 5833, 6140, 6754, 7372, 8360, 8536, 9215, 10670, 11666, 12280, 13508, 14744, 16885, 18430, 20273, 21340, 23332, 27016, 29165, 29779, 33770, 36860, 40546, 42680, 46664, 58330, 59558, 64163, 67540, 73720, 81092, 101365, 116660, 119116, 128326, 135080, 148895, 162184, 202730, 233320, 238232, 256652, 297790, 320815, 327569, 405460, 513304, 565801, 595580, 641630, 655138, 810920, 1131602, 1191160, 1283260, 1310276, 1637845, 2263204, 2566520, 2620552, 2829005, 3275690, 4526408, 5658010, 6223811, 6551380, 11316020, 12447622, 13102760, 22632040, 24895244, 31119055, 49790488, 62238110, 124476220, 248952440]

約数ペア:

[(1, 248952440), (2, 124476220), (4, 62238110), (5, 49790488), (8, 31119055), (10, 24895244), (11, 22632040), (19, 13102760), (20, 12447622), (22, 11316020), (38, 6551380), (40, 6223811), (44, 5658010), (55, 4526408), (76, 3275690), (88, 2829005), (95, 2620552), (97, 2566520), (110, 2263204), (152, 1637845), (190, 1310276), (194, 1283260), (209, 1191160), (220, 1131602), (307, 810920), (380, 655138), (388, 641630), (418, 595580), (440, 565801), (485, 513304), (614, 405460), (760, 327569), (776, 320815), (836, 297790), (970, 256652), (1045, 238232), (1067, 233320), (1228, 202730), (1535, 162184), (1672, 148895), (1843, 135080), (1940, 128326), (2090, 119116), (2134, 116660), (2456, 101365), (3070, 81092), (3377, 73720), (3686, 67540), (3880, 64163), (4180, 59558), (4268, 58330), (5335, 46664), (5833, 42680), (6140, 40546), (6754, 36860), (7372, 33770), (8360, 29779), (8536, 29165), (9215, 27016), (10670, 23332), (11666, 21340), (12280, 20273), (13508, 18430), (14744, 16885)]