29681990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 61871040

約数和(自身を除く): 32189050

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 61, 65, 95, 122, 130, 190, 197, 247, 305, 394, 494, 610, 793, 985, 1159, 1235, 1586, 1970, 2318, 2470, 2561, 3743, 3965, 5122, 5795, 7486, 7930, 11590, 12017, 12805, 15067, 18715, 24034, 25610, 30134, 37430, 48659, 60085, 75335, 97318, 120170, 150670, 156221, 228323, 243295, 312442, 456646, 486590, 781105, 1141615, 1562210, 2283230, 2968199, 5936398, 14840995, 29681990]

約数ペア:

[(1, 29681990), (2, 14840995), (5, 5936398), (10, 2968199), (13, 2283230), (19, 1562210), (26, 1141615), (38, 781105), (61, 486590), (65, 456646), (95, 312442), (122, 243295), (130, 228323), (190, 156221), (197, 150670), (247, 120170), (305, 97318), (394, 75335), (494, 60085), (610, 48659), (793, 37430), (985, 30134), (1159, 25610), (1235, 24034), (1586, 18715), (1970, 15067), (2318, 12805), (2470, 12017), (2561, 11590), (3743, 7930), (3965, 7486), (5122, 5795)]