203753420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 485593920

約数和(自身を除く): 281840500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 61, 65, 116, 122, 130, 145, 244, 260, 290, 305, 377, 443, 580, 610, 754, 793, 886, 1220, 1508, 1586, 1769, 1772, 1885, 2215, 3172, 3538, 3770, 3965, 4430, 5759, 7076, 7540, 7930, 8845, 8860, 11518, 12847, 15860, 17690, 22997, 23036, 25694, 27023, 28795, 35380, 45994, 51388, 54046, 57590, 64235, 91988, 108092, 114985, 115180, 128470, 135115, 167011, 229970, 256940, 270230, 334022, 351299, 459940, 540460, 668044, 702598, 783667, 835055, 1405196, 1567334, 1670110, 1756495, 3134668, 3340220, 3512990, 3918335, 7025980, 7836670, 10187671, 15673340, 20375342, 40750684, 50938355, 101876710, 203753420]

約数ペア:

[(1, 203753420), (2, 101876710), (4, 50938355), (5, 40750684), (10, 20375342), (13, 15673340), (20, 10187671), (26, 7836670), (29, 7025980), (52, 3918335), (58, 3512990), (61, 3340220), (65, 3134668), (116, 1756495), (122, 1670110), (130, 1567334), (145, 1405196), (244, 835055), (260, 783667), (290, 702598), (305, 668044), (377, 540460), (443, 459940), (580, 351299), (610, 334022), (754, 270230), (793, 256940), (886, 229970), (1220, 167011), (1508, 135115), (1586, 128470), (1769, 115180), (1772, 114985), (1885, 108092), (2215, 91988), (3172, 64235), (3538, 57590), (3770, 54046), (3965, 51388), (4430, 45994), (5759, 35380), (7076, 28795), (7540, 27023), (7930, 25694), (8845, 23036), (8860, 22997), (11518, 17690), (12847, 15860)]