248819480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4021}}^1$

素因数の和:4069

約数の個数: 128

約数和(自身を含む): 729751680

約数和(自身を除く): 480932200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2380, 3094, 3640, 4021, 4420, 4760, 6188, 7735, 8042, 8840, 12376, 15470, 16084, 20105, 28147, 30940, 32168, 40210, 52273, 56294, 61880, 68357, 80420, 104546, 112588, 136714, 140735, 160840, 209092, 225176, 261365, 273428, 281470, 341785, 365911, 418184, 478499, 522730, 546856, 562940, 683570, 731822, 888641, 956998, 1045460, 1125880, 1367140, 1463644, 1777282, 1829555, 1913996, 2090920, 2392495, 2734280, 2927288, 3554564, 3659110, 3827992, 4443205, 4784990, 6220487, 7109128, 7318220, 8886410, 9569980, 12440974, 14636440, 17772820, 19139960, 24881948, 31102435, 35545640, 49763896, 62204870, 124409740, 248819480]

約数ペア:

[(1, 248819480), (2, 124409740), (4, 62204870), (5, 49763896), (7, 35545640), (8, 31102435), (10, 24881948), (13, 19139960), (14, 17772820), (17, 14636440), (20, 12440974), (26, 9569980), (28, 8886410), (34, 7318220), (35, 7109128), (40, 6220487), (52, 4784990), (56, 4443205), (65, 3827992), (68, 3659110), (70, 3554564), (85, 2927288), (91, 2734280), (104, 2392495), (119, 2090920), (130, 1913996), (136, 1829555), (140, 1777282), (170, 1463644), (182, 1367140), (221, 1125880), (238, 1045460), (260, 956998), (280, 888641), (340, 731822), (364, 683570), (442, 562940), (455, 546856), (476, 522730), (520, 478499), (595, 418184), (680, 365911), (728, 341785), (884, 281470), (910, 273428), (952, 261365), (1105, 225176), (1190, 209092), (1547, 160840), (1768, 140735), (1820, 136714), (2210, 112588), (2380, 104546), (3094, 80420), (3640, 68357), (4021, 61880), (4420, 56294), (4760, 52273), (6188, 40210), (7735, 32168), (8042, 30940), (8840, 28147), (12376, 20105), (15470, 16084)]