20131907900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{1321}}^1$

素因数の和:1984

約数の個数: 144

約数和(自身を含む): 49640676960

約数和(自身を除く): 29508769060

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 617, 650, 950, 988, 1234, 1235, 1300, 1321, 1900, 2468, 2470, 2642, 3085, 4940, 5284, 6170, 6175, 6605, 8021, 11723, 12340, 12350, 13210, 15425, 16042, 17173, 23446, 24700, 25099, 26420, 30850, 32084, 33025, 34346, 40105, 46892, 50198, 58615, 61700, 66050, 68692, 80210, 85865, 100396, 117230, 125495, 132100, 152399, 160420, 171730, 200525, 234460, 250990, 293075, 304798, 326287, 343460, 401050, 429325, 501980, 586150, 609596, 627475, 652574, 761995, 802100, 815057, 858650, 1172300, 1254950, 1305148, 1523990, 1630114, 1631435, 1717300, 2509900, 3047980, 3260228, 3262870, 3809975, 4075285, 6525740, 7619950, 8150570, 8157175, 10595741, 15239900, 15486083, 16301140, 16314350, 20376425, 21191482, 30972166, 32628700, 40752850, 42382964, 52978705, 61944332, 77430415, 81505700, 105957410, 154860830, 201319079, 211914820, 264893525, 309721660, 387152075, 402638158, 529787050, 774304150, 805276316, 1006595395, 1059574100, 1548608300, 2013190790, 4026381580, 5032976975, 10065953950, 20131907900]

約数ペア:

[(1, 20131907900), (2, 10065953950), (4, 5032976975), (5, 4026381580), (10, 2013190790), (13, 1548608300), (19, 1059574100), (20, 1006595395), (25, 805276316), (26, 774304150), (38, 529787050), (50, 402638158), (52, 387152075), (65, 309721660), (76, 264893525), (95, 211914820), (100, 201319079), (130, 154860830), (190, 105957410), (247, 81505700), (260, 77430415), (325, 61944332), (380, 52978705), (475, 42382964), (494, 40752850), (617, 32628700), (650, 30972166), (950, 21191482), (988, 20376425), (1234, 16314350), (1235, 16301140), (1300, 15486083), (1321, 15239900), (1900, 10595741), (2468, 8157175), (2470, 8150570), (2642, 7619950), (3085, 6525740), (4940, 4075285), (5284, 3809975), (6170, 3262870), (6175, 3260228), (6605, 3047980), (8021, 2509900), (11723, 1717300), (12340, 1631435), (12350, 1630114), (13210, 1523990), (15425, 1305148), (16042, 1254950), (17173, 1172300), (23446, 858650), (24700, 815057), (25099, 802100), (26420, 761995), (30850, 652574), (32084, 627475), (33025, 609596), (34346, 586150), (40105, 501980), (46892, 429325), (50198, 401050), (58615, 343460), (61700, 326287), (66050, 304798), (68692, 293075), (80210, 250990), (85865, 234460), (100396, 200525), (117230, 171730), (125495, 160420), (132100, 152399)]